pseudorange calculation -- pseudoranges function inputs and algorithm

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Mohammad
Mohammad 2022-11-1
回答： Divyam 2025-1-3
Hi everybody
I need some help about pseudorange calculation in MATLAB with pseudoranges function.
Pseusorange in GNSS can be measured by the receiver which is equal to
where b represents receiver clock bias and ϵ is a measurement noise. However in pseudoranges function in Navigation Toolbox, there is no input for the clock bias. In addition, when I see inside pseudoranges function, I found that the pseudorange is calculated in such a way equals to
.
Thanks for your suggections and help.

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回答（1 个）

Divyam
Divyam 2025-1-3
Hi @Mohammad,
The "pseudoranges" function is intended to be a tool used as part of a larger GNSS positioning algorithm. As you correctly stated, clock bias is an important aspect when dealing with GNSS receivers, since these receivers are inaccurate compared to atomic clocks. However, the clock bias is usually handled in other parts of your larger algorithm and really depends on the implementation of your algorithm.
If you have any further queries or suggestions for enhancements in the "pseudoranges" function, you can contact the MathWorks support staff here: https://www.mathworks.com/support/contact_us.html

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